EMIS ELibM Electronic Journals PUBLICATIONS DE L'INSTITUT MATHÉMATIQUE (BEOGRAD) (N.S.)
Vol. 63 (77), pp. 147--151 (1998)

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A new rational free-fermion solution of the Yang-Baxter equation

Vladimir Dragovi\'c

Matemati\v cki institut, Beograd, Yugoslavia

Abstract: We give explicit formulae of a new family of rational $(4\times 4)$ $R$-matrices, satisfying the free-fermion condition. These solutions are of rank 2 and with rational irreducible spectral curves. That was the last geometrically possible situation in which solutions had not been known.

Classification (MSC2000): 82B20

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Electronic fulltext finalized on: 6 Apr 2000. This page was last modified: 16 Nov 2001.

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